Finding the Third Proportional to 113,866.50 and 170,171.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,866.50 : 170,171.50 = 170,171.50 : x
2. Step 2: Convert to fraction form
   113,866.50/170,171.50 = 170,171.50/x
3. Step 3: Cross multiply
   113,866.50x = 170,171.50 × 170,171.50
4. Step 4: Simplify right side
   113,866.50x = 28,958,339,412.25
5. Step 5: Solve for x
   x = 28,958,339,412.25/113,866.50
6. Step 6: Final answer
   x = 254,318.34